Shimano Deore FC-M5100-B2 Crankset
Best reliable drivetrain upgrade for mountain biking enthusiasts.
A reliable, rigid drivetrain upgrade that balances weight and efficiency for trail riders. The two-piece design ensures consistent power transfer, while the wide-range gearing makes tackling steep climbs and varied terrain significantly more approachable.
$77.58
at
Bicycle Addiction
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Who it's for
- Mountain bikers seeking consistent gear changes on varied terrain
- Riders prioritizing longevity and robustness for aggressive trail riding
- Budget-conscious riders wanting reliable performance without compromise
Who should skip it
- Weight-conscious riders or competitive racers focused on minimizing bike mass
- Riders preferring the simplicity and chain retention of a 1x drivetrain
- Owners of non-Boost mountain bike frames or those upgrading older bikes
Performance breakdown
Drivetrain Efficiency
Hollowtech II design delivers excellent power transfer for trail riding.
Shift Precision
Shimano engineering ensures crisp, reliable gear changes under load.
Durability
Rugged construction handles the abuse of aggressive mountain terrain easily.
Versatility
Double chainring setup offers a wide range for varied climbing.
Installation Ease
Standard interface makes setup straightforward for most home mechanics.
Weight Optimization
Solid build prioritizes strength over ultra-lightweight racing performance.
Key Specs
BB Included
No
Chainline/Hub Compatibility
141/148 Boost Hubs
Chainring BCD
64 Shimano Asymmetric
Chainring BCD
96 Shimano Asymmetric
Color
Black
Crank Intended Use
Mountain
Crank Length (mm)
175
Defined Color
Black
Drivetrain Speeds
11
Number of Chainrings
Double
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